... black Top quality and reasonable price Delrin POM Sheet with SGS POM Sheet DescriptionPOM is a kind of engineering plastic ... material of copper, cast zinc, steel, aluminum and other metal materialsPOM Sheet Advantages1,high surface hardness2,good wear resistance3,nice ... resistant7,work under the temperature of -40-100°CPOM Sheet Applications1,Industrial area: used to make gears ,bearings2,Automobile ...